Watch NCAA Men's Division I Basketball Tournament on CBS

The NCAA Men's Division I Basketball Tournament, also known as March Madness, is one of the most exciting and anticipated events in college basketball. The tournament is a single-elimination competition featuring 68 college basketball teams from around the United States.

The tournament begins with the First Four, a play-in round where eight teams compete for four spots in the main bracket. The main bracket is divided into four regions: the East, West, Midwest, and South. Each region consists of 16 teams and is assigned a seed based on the team's ranking and performance throughout the season.

The first and second rounds of the tournament are played over the course of four days, with multiple games taking place simultaneously. The top-seeded teams in each region play against the lowest-seeded teams in the first round, while the middle-seeded teams play against each other. The winners of the first-round games move on to face off against each other in the second round.

The third and fourth rounds of the tournament are also played over four days, with one game in each region taking place on the same day. The third round features the winners of the second-round games facing off against each other, while the fourth round features the winners of the third-round games.

The Final Four consists of the four teams that make it through the third and fourth rounds, and takes place over the course of two days. The winners of the Final Four games face off against each other in the championship game, which determines the winner of the NCAA Division I Men's Basketball Tournament.

CBS is the official broadcaster of the NCAA Men's Division I Basketball Tournament, and airs all the games on its network. The network also streams the games live on its website, CBS.com, and through its mobile app.

CBS's coverage of the tournament features expert analysis from some of the most knowledgeable commentators in college basketball. The network also provides in-depth statistics and analysis, along with behind-the-scenes stories and interviews with coaches and players.

In addition to the game coverage, CBS also produces a variety of special features and segments throughout the tournament. These include highlights of the most memorable moments in tournament history, interviews with legendary coaches and players, and previews of upcoming games.

Overall, the NCAA Men's Division I Basketball Tournament is a thrilling and exciting event that captures the attention of college basketball fans across the country. With its extensive coverage, expert analysis, and special features, CBS is the perfect network to bring this exciting tournament to viewers everywhere.